package com.imooc.sell.controller;

import com.imooc.sell.config.WechatMpConfig;
import com.imooc.sell.enums.ResultEnum;
import com.imooc.sell.exception.SellException;
import com.imooc.sell.vo.ResultVo;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.exception.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.api.impl.WxMpServiceApacheHttpClientImpl;
import me.chanjar.weixin.mp.api.impl.WxMpServiceImpl;
import me.chanjar.weixin.mp.bean.material.WxMpMaterialFileBatchGetResult;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.net.URLEncoder;

@Controller
@RequestMapping("/wechat")
@Slf4j
public class WechatController {

    @Autowired
    public WxMpService wxMpService;

    @GetMapping("/authorize")
    public String authorize(@RequestParam("returnUrl")String returnUrl){

        //1.配置
        //2.调用方法
        String url="http://yys.natapp1.cc/sell/wechat/userInfo";
        String redirectUrl=wxMpService.oauth2buildAuthorizationUrl(url, WxConsts.OAUTH2_SCOPE_BASE, URLEncoder.encode(returnUrl) );
        log.info("[微信网页授权]获取code,result={}",redirectUrl);

        return "redirect:"+ redirectUrl;
    }

    @GetMapping("/userInfo")
    public String userInfo(@RequestParam("code")String code,
                         @RequestParam("state")String returnUrl){
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken=new WxMpOAuth2AccessToken();
        try {
            wxMpOAuth2AccessToken=wxMpService.oauth2getAccessToken(code);
        } catch (WxErrorException e) {
            log.error("[微信网页授权]{}",e);
            throw new SellException(ResultEnum.WX_MP_ERROR.getCode(),e.getError().getErrorMsg());
        }
        String openId=wxMpOAuth2AccessToken.getOpenId();
        String finalUrl="redirect:"+returnUrl+"?openid="+openId;
        log.info("[user info]final url={}",finalUrl);
        return finalUrl;
    }
}
